Free Online PDF Editor
Make PDFs work your way.
Annotate, highlight, draw, merge, compress, and sign documents directly in your browser. Zero uploads, no accounts, and no watermarks.
Drop a PDF here to Edit
or click anywhere to browse from your computer
PDF files up to 50 MB · Local processing onlyTrusted at Scale, Built for Privacy
Empowering students, professionals, and teams worldwide to annotate and edit PDFs without cloud uploads.
Contracts, invoices, forms, and notes modified securely in browser with zero server uploads.
Trusted by professionals, students, and businesses globally for dependable everyday PDF tasks.
Your sensitive files stay strictly on your machine. Client-side processing guarantees confidentiality.
Rated exceptionally high for lightning speed, zero paywalls, and clean, ad-free PDF editing.
Everything you need,
without the bloat.
Powerful browser-based tools for annotation, document assembly, electronic signatures, and size optimization.
All rendering, annotation, and PDF generation takes place locally inside your browser's WebAssembly and JavaScript engines. No files or private data are ever sent to our servers.
How to Edit, Merge, Compress & Sign PDFs Online
No downloads, no registration, and no credit card needed. Edit your documents directly in your web browser in seconds.
Select Tool & PDF File
Drag and drop your PDF into the upload area above or pick a specific service: Edit, Merge, Compress, or Sign PDF.
Modify, Annotate & Assemble
Add text, draw, highlight passages, hide sensitive data with whiteout, draw electronic signatures, or reorder merged files.
Download Clean PDF Instantly
Click "Download PDF" to save your flattened, optimized PDF file. 100% clean with zero watermarks or third-party logos.
Why Edit PDF Free Outperforms Other Tools
See why privacy-focused professionals, students, and businesses choose our client-side architecture over cloud converters.
| Feature & Guarantee | Edit PDF Free | Adobe Acrobat Online | Smallpdf | iLovePDF |
|---|---|---|---|---|
| 100% Free Forever | ✓ Free | ✗ 7-Day Trial | ✗ 2 docs/day | ✗ Tier Limits |
| No Watermark Added | ✓ Clean PDF | ✓ Clean | ✗ Watermarked on Free | ✗ Limited |
| Zero Server Uploads (100% Private) | ✓ In-Browser Local | ✗ Cloud Storage | ✗ Server Upload | ✗ Server Upload |
| No Account or Sign-Up Needed | ✓ No Sign-up | ✗ Account Required | ✗ Prompted Sign-up | ✗ Account for full features |
| Complete In-Browser Suite (Edit, Merge, Compress, Sign) | ✓ All Tools Free | ✗ Separate Subscriptions | ✗ Paywalled Tools | ✗ File Size Caps |
| No File Size Restrictions | ✓ Unlimited (Local RAM) | ✗ 100 MB Limit | ✗ 15 MB Limit | ✗ 25 MB Limit |
Frequently Asked Questions About Free Online PDF Editing
Everything you need to know about our privacy architecture, editing tools, and file security.
Simply drag and drop your PDF into Edit PDF Free. You can instantly add text, draw freehand annotations, highlight passages, create shapes, or cover sensitive areas with whiteout directly in your browser. When finished, click Download PDF to save your file with no account and no watermark.
Yes, 100%. Unlike other online PDF tools that upload your private documents to cloud servers, Edit PDF Free processes all rendering, markup, merging, and compression entirely on your device using WebAssembly and local JavaScript. Your files never leave your computer or phone.
No. All exported PDF documents are 100% clean and free of watermarks, logos, or stamps.
Our Merge PDF tool uses client-side WebAssembly to read page trees and merge document byte streams directly in your browser memory. You can select multiple PDF files, reorder them as desired, and combine them into a single PDF instantly.
The Compress PDF tool renders high-resolution page bitmaps, removes redundant embedded font descriptors, and applies balanced JPEG stream compression to reduce file size by up to 80% while keeping text and diagrams crisp.
Yes. The Sign PDF tool allows you to draw, type, or upload an electronic signature and stamp it onto contracts, agreements, and forms. Electronic signatures comply with the US ESIGN Act and EU eIDAS regulations for standard business agreements.
No installation is required. Edit PDF Free works directly in Google Chrome, Apple Safari, Mozilla Firefox, Microsoft Edge, and mobile browsers on iOS and Android.